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Washington DC (DCA) to Long Island (ISP) Flights from ₹15,125

Fares on this route currently start from ₹15,125. Compare live DCA to ISP prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
DCA → ISP Approx. 399.63 km 04 Jun 2026 Live inventory
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Showing 25 of 26 live flights
Southwest Airlines
WN-4691
10:40
06/04/2026
BWI
Ronald Reagan Washington National Airport
1h 10m
Non-stop
11:50
06/04/2026
ISP
Long Island Mac Arthur Airport
₹15,125
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-4126
16:05
06/04/2026
BWI
Ronald Reagan Washington National Airport
1h 10m
Non-stop
17:15
06/04/2026
ISP
Long Island Mac Arthur Airport
₹15,125
per person
✕ Non-refundable🔥 Last 5 seats9 fare options
Southwest Airlines
WN-4321
22:25
06/04/2026
BWI
Ronald Reagan Washington National Airport
1h 10m
Non-stop
23:35
06/04/2026
ISP
Long Island Mac Arthur Airport
₹15,125
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-966
13:20
06/04/2026
BWI
Ronald Reagan Washington National Airport
1h 10m
Non-stop
14:30
06/04/2026
ISP
Long Island Mac Arthur Airport
₹18,904
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-1441
17:25
06/04/2026
DCA
Ronald Reagan Washington National Airport
6h 15m
1 Stop
⏱ MCO · 1h 0mMCO Airport
23:40
06/04/2026
ISP
Long Island Mac Arthur Airport
₹20,083
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-1441
17:25
06/04/2026
DCA
Ronald Reagan Washington National Airport
17h 5m
1 Stop
⏱ MCO · 12h 0mMCO Airport
10:30
06/05/2026
+1
ISP
Long Island Mac Arthur Airport
₹29,400
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-284
16:25
06/04/2026
DCA
Ronald Reagan Washington National Airport
18h 5m
1 Stop
⏱ MCO · 10h 25mMCO Airport
10:30
06/05/2026
+1
ISP
Long Island Mac Arthur Airport
₹40,732
per person
✕ Non-refundable🔥 Last 3 seats5 fare options
Southwest Airlines
WN-284
16:25
06/04/2026
DCA
Ronald Reagan Washington National Airport
18h 5m
2 Stops
⏱ PVD · 0h 40mPVD Airport⏱ MCO · 10h 25mMCO Airport
10:30
06/05/2026
+1
ISP
Long Island Mac Arthur Airport
₹41,000
per person
✓ Refundable🔥 Last 3 seats4 fare options
Delta Air Lines
DL-5667
22:00
06/04/2026
DCA
Ronald Reagan Washington National Airport
14h 30m
1 Stop
⏱ BOS · 11h 13mBOS Airport
12:30
06/05/2026
+1
ISP
Long Island Mac Arthur Airport
₹46,519
per person
✕ Non-refundable
Delta Air Lines
DL-5710
06:00
06/04/2026
DCA
Ronald Reagan Washington National Airport
5h 5m
1 Stop
⏱ BOS · 1h 49mBOS Airport
11:05
06/04/2026
ISP
Long Island Mac Arthur Airport
₹49,800
per person
✕ Non-refundable
Delta Air Lines
DL-5698
06:59
06/04/2026
DCA
Ronald Reagan Washington National Airport
9h 11m
1 Stop
⏱ BOS · 5h 54mBOS Airport
16:10
06/04/2026
ISP
Long Island Mac Arthur Airport
₹50,334
per person
✕ Non-refundable🔥 Last 5 seats
Delta Air Lines
DL-5710
06:00
06/04/2026
DCA
Ronald Reagan Washington National Airport
10h 10m
1 Stop
⏱ BOS · 6h 53mBOS Airport
16:10
06/04/2026
ISP
Long Island Mac Arthur Airport
₹50,334
per person
✕ Non-refundable
Delta Air Lines
DL-5672
12:59
06/04/2026
DCA
Ronald Reagan Washington National Airport
6h 46m
1 Stop
⏱ BOS · 3h 30mBOS Airport
19:45
06/04/2026
ISP
Long Island Mac Arthur Airport
₹52,666
per person
✕ Non-refundable🔥 Last 2 seats
Delta Air Lines
DL-1308
06:20
06/04/2026
DCA
Ronald Reagan Washington National Airport
9h 50m
2 Stops
⏱ LGA · 0h 55mLGA Airport⏱ BOS · 4h 44mBOS Airport
16:10
06/04/2026
ISP
Long Island Mac Arthur Airport
₹52,751
per person
✕ Non-refundable
Delta Air Lines
DL-5710
06:00
06/04/2026
DCA
Ronald Reagan Washington National Airport
13h 45m
1 Stop
⏱ BOS · 10h 38mBOS Airport
19:45
06/04/2026
ISP
Long Island Mac Arthur Airport
₹53,201
per person
✕ Non-refundable
Delta Air Lines
DL-5687
08:40
06/04/2026
DCA
Ronald Reagan Washington National Airport
7h 30m
1 Stop
⏱ BOS · 4h 1mBOS Airport
16:10
06/04/2026
ISP
Long Island Mac Arthur Airport
₹55,107
per person
✕ Non-refundable
Delta Air Lines
DL-1308
06:20
06/04/2026
DCA
Ronald Reagan Washington National Airport
9h 50m
2 Stops
⏱ LGA · 2h 25mLGA Airport⏱ BOS · 3h 19mBOS Airport
16:10
06/04/2026
ISP
Long Island Mac Arthur Airport
₹61,760
per person
✕ Non-refundable
Delta Air Lines
DL-5802
06:09
06/04/2026
DCA
Ronald Reagan Washington National Airport
10h 1m
2 Stops
⏱ JFK · 2h 21mJFK Airport⏱ BOS · 3h 24mBOS Airport
16:10
06/04/2026
ISP
Long Island Mac Arthur Airport
₹61,760
per person
✕ Non-refundable
Delta Air Lines
DL-1308
06:20
06/04/2026
DCA
Ronald Reagan Washington National Airport
9h 50m
2 Stops
⏱ LGA · 1h 25mLGA Airport⏱ BOS · 4h 9mBOS Airport
16:10
06/04/2026
ISP
Long Island Mac Arthur Airport
₹62,295
per person
✕ Non-refundable
Delta Air Lines
DL-5750
11:00
06/04/2026
DCA
Ronald Reagan Washington National Airport
8h 45m
2 Stops
⏱ JFK · 2h 21mJFK Airport⏱ BOS · 2h 19mBOS Airport
19:45
06/04/2026
ISP
Long Island Mac Arthur Airport
₹64,622
per person
✕ Non-refundable🔥 Last 3 seats
Delta Air Lines
DL-5693
11:55
06/04/2026
DCA
Ronald Reagan Washington National Airport
7h 50m
1 Stop
⏱ BOS · 4h 42mBOS Airport
19:45
06/04/2026
ISP
Long Island Mac Arthur Airport
₹64,650
per person
✕ Non-refundable
Delta Air Lines
DL-5600
10:00
06/04/2026
DCA
Ronald Reagan Washington National Airport
6h 10m
1 Stop
⏱ BOS · 2h 54mBOS Airport
16:10
06/04/2026
ISP
Long Island Mac Arthur Airport
₹66,499
per person
✕ Non-refundable
Delta Air Lines
DL-1308
06:20
06/04/2026
DCA
Ronald Reagan Washington National Airport
9h 50m
2 Stops
⏱ LGA · 3h 25mLGA Airport⏱ BOS · 2h 14mBOS Airport
16:10
06/04/2026
ISP
Long Island Mac Arthur Airport
₹67,005
per person
✕ Non-refundable
Delta Air Lines
DL-5600
10:00
06/04/2026
DCA
Ronald Reagan Washington National Airport
9h 45m
1 Stop
⏱ BOS · 6h 39mBOS Airport
19:45
06/04/2026
ISP
Long Island Mac Arthur Airport
₹69,894
per person
✕ Non-refundable
Delta Air Lines
DL-5857
15:00
06/04/2026
DCA
Ronald Reagan Washington National Airport
4h 45m
1 Stop
⏱ BOS · 1h 35mBOS Airport
19:45
06/04/2026
ISP
Long Island Mac Arthur Airport
₹80,815
per person
✕ Non-refundable
😕 No flights match your filters.
Washington DC (DCA)
📍 Ronald Reagan Washington National Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 38.8521
📐 Longitude: -77.037697
Long Island (ISP)
📍 Long Island Mac Arthur Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 40.79520035
📐 Longitude: -73.10019684

✈ Distance: Washington DC,USA to Long Island, Islip,USA399.63 km

📅 Results on this page are loaded for 04 Jun 2026. Click View all flights for the complete live search.

Washington DC to Long Island — what to expect when booking

The DCA–ISP route is served by multiple carriers throughout the year. Fares on this route can move quickly — a price available now may not be there 30 minutes later.

If your dates are flexible, try shifting your departure by a day or two using the date strip above. Mid-week departures often show lower base fares compared to weekend starts on many routes.

The distance between Washington DC,USA and Long Island, Islip,USA is approximately 399.63 km.

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❓ Frequently asked questions — Washington DC to Long Island flights

Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.

The straight-line distance between Washington DC,USA (DCA) and Long Island, Islip,USA (ISP) is approximately 399.63 km. Actual flying distance may vary slightly depending on routing.

Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.

Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.